349 
logische Beweis erbracht ist, daß hier ein nervöses System vorliege. 
Dieser ist denn auch bei Anwendung geeigneter Reagentien durch die 
histiologische Analyse zu liefern, kann eigentlich bei aufmerksamer 
Untersuchung sogar mittels der Loupe gewissermaßen erschlossen 
werden. 
(Schluß folgt.) 
III. Mittheilungen aus Museen, Instituten etc. 
1. Zoological Society of London. 
20th May, 1884. — Mr. W. T. Blanford, F.R.S., exhibited and 
made remarks on a series of horns of the Wild Sheep of the Pamir, Ovıs 
Polii, Blyth, which had been obtained by the Hon. Charles A. Ellis, F.Z.S., 
from the Pamir distriet during his recent journey to Yarkand. — Mr. 
R. Bowdler Sharpe exhibited and made remarks on a second specimen of 
the new European Nuthatch (Sa Whitehead) recently discovered by Mr. 
Whitehead in Corsica. — Dr. J. G. Garson exhibited and made remarks 
upon a specimen of Lithodes maia, the Northern Stone-Crab. — Mr. Frank 
E. Beddard, F.Z.S., read the first of a series of papers on the Isopoda 
collected during the voyage of H.M.S. ‚Challenger‘. The present communi- 
cation treated of the genus Serolis, sixteen species of which where represen- 
ted in the specimens obtained during the Expedition. Of these nine were 
described as new. The author also gave a short account of the geographical 
distribution of the genus, and pointed out some of its peculiar structural 
points. — Mr. Gwyn Jeffreys, F.R.S., read the eighth part of his papers 
on the Mollusca of the ‚Lightning‘ and , Porcupine‘ Expeditions. It inclu- 
ded the families Aclidae, Pyramidellidae, and Eulimidae, with seventy-five 
species. Two genera and twenty-three species were described by the author 
as new to science. — Prof. F. Jeffrey Bell read the fourth of his series 
of papers on the Holothurians. The present communication gave an account 
of the structural characters of the Cotten-Spinner (Holothuria nigra), and 
especially of its Cuvierian organs. — Mr. F. Day read a paper on races and 
hybrids among the Salmonidae, in continuation of a former communication 
made to the Society, and continuing an account of the experiments made by 
Sir James Gibson-Maitland in the hybridization of Salmonidae in the ponds 
at Howietown. — A communication was read from Mr. R. Collett, 
C.M.Z.S., containing the description of some apparently new Marsupials 
obtained by Dr. Limholtz in Northern Queensland. These were described 
as Phalangista Archeri, Ph. herbertensis, Ph. lemuroides, and Dendrolagus 
Limholtzi. — P. L. Sclater, Secretary. 
2. Linnean Society of London. 
15th May, 1884. — Prof. P. Martin Duncan read a paper ona 
new genus of recent Fungida allied to the Cretaceous fossil form Micrabacıa ; 
the genus being based on a specimen of coral obtained from shallow water 
in the Korean Sea. — A communication was made by Mr. Arthur R. Hunt 
